Answers: 1
Mathematics, 21.06.2019 19:40
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 23:10
Given the median qr and trapezoid mnpo what is the value of x?
Answers: 3
What is the midpoint for this question...
Chemistry, 18.03.2021 21:10
Mathematics, 18.03.2021 21:10
Mathematics, 18.03.2021 21:10
Mathematics, 18.03.2021 21:10
Computers and Technology, 18.03.2021 21:10
Mathematics, 18.03.2021 21:10
Biology, 18.03.2021 21:10
Mathematics, 18.03.2021 21:10
Mathematics, 18.03.2021 21:10
English, 18.03.2021 21:10